Trajectory plots

## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-06-20 to
## 2021-06-20 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-06-21 to
## 2021-06-21 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-06-20 to
## 2021-06-20 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-06-21 to
## 2021-06-21 in geography '*': no results